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Message-ID: <1a640421-9b22-28a3-4712-714c4f12b9b2@gmx.de>
Date:   Mon, 25 Jul 2022 10:23:57 +0200
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Subject: Re: [PATCH] fbdev: Make registered_fb[] private to fbmem.c
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To:     Thomas Zimmermann <tzimmermann@suse.de>,
        Javier Martinez Canillas <javierm@redhat.com>,
        linux-kernel@vger.kernel.org
Cc:     linux-staging@lists.linux.dev,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        dri-devel@lists.freedesktop.org,
        Daniel Vetter <daniel.vetter@ffwll.ch>,
        Daniel Vetter <daniel.vetter@intel.com>,
        Alex Deucher <alexander.deucher@amd.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Sam Ravnborg <sam@ravnborg.org>, linux-fbdev@vger.kernel.org
References: <20220725075400.68478-1-javierm@redhat.com>
 <c06cccc7-9e7d-5659-c23d-40ca386574b0@suse.de>
From:   Helge Deller <deller@gmx.de>
In-Reply-To: <c06cccc7-9e7d-5659-c23d-40ca386574b0@suse.de>
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On 7/25/22 09:55, Thomas Zimmermann wrote:
> Hi
>
> Am 25.07.22 um 09:54 schrieb Javier Martinez Canillas:
>> From: Daniel Vetter <daniel.vetter@ffwll.ch>
>>
>> No driver access this anymore, except for the olpc dcon fbdev driver bu=
t
>> that has been marked as broken anyways by commit de0952f267ff ("staging=
:
>> olpc_dcon: mark driver as broken").
>>
>> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
>> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
>> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
>> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
>
> Acked-by: Thomas Zimmermann <tzimmermann@suse.de>

Acked-by: Helge Deller <deller@gmx.de>

Helge

>
> Best regards
> Thomas
>
>> ---
>>
>> =C2=A0 drivers/video/fbdev/core/fbmem.c | 6 +++---
>> =C2=A0 include/linux/fb.h=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 | 6 ------
>> =C2=A0 2 files changed, 3 insertions(+), 9 deletions(-)
>>
>> diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/cor=
e/fbmem.c
>> index 6ae1c5fa19f9..1e70d8c67653 100644
>> --- a/drivers/video/fbdev/core/fbmem.c
>> +++ b/drivers/video/fbdev/core/fbmem.c
>> @@ -51,10 +51,10 @@
>> =C2=A0 static DEFINE_MUTEX(registration_lock);
>> =C2=A0 =C2=A0 struct fb_info *registered_fb[FB_MAX] __read_mostly;
>> -EXPORT_SYMBOL(registered_fb);
>> -
>> =C2=A0 int num_registered_fb __read_mostly;
>> -EXPORT_SYMBOL(num_registered_fb);
>> +#define for_each_registered_fb(i)=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 \
>> +=C2=A0=C2=A0=C2=A0 for (i =3D 0; i < FB_MAX; i++)=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 \
>> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 if (!registered_fb[i]) {} e=
lse
>> =C2=A0 =C2=A0 bool fb_center_logo __read_mostly;
>> =C2=A0 diff --git a/include/linux/fb.h b/include/linux/fb.h
>> index 453c3b2b6b8e..0aff76bcbb00 100644
>> --- a/include/linux/fb.h
>> +++ b/include/linux/fb.h
>> @@ -627,16 +627,10 @@ extern int fb_get_color_depth(struct fb_var_scree=
ninfo *var,
>> =C2=A0 extern int fb_get_options(const char *name, char **option);
>> =C2=A0 extern int fb_new_modelist(struct fb_info *info);
>> =C2=A0 -extern struct fb_info *registered_fb[FB_MAX];
>> -extern int num_registered_fb;
>> =C2=A0 extern bool fb_center_logo;
>> =C2=A0 extern int fb_logo_count;
>> =C2=A0 extern struct class *fb_class;
>> =C2=A0 -#define for_each_registered_fb(i)=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 \
>> -=C2=A0=C2=A0=C2=A0 for (i =3D 0; i < FB_MAX; i++)=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 \
>> -=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 if (!registered_fb[i]) {} e=
lse
>> -
>> =C2=A0 static inline void lock_fb_info(struct fb_info *info)
>> =C2=A0 {
>> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 mutex_lock(&info->lock);
>